Improvement in elevating apparatus



PLIMPTON ROSS BERRY,

or Youivcsrows', omo.

Letters Patent No. 104,102, dated June 14, 1870.

IMPROVEMENT IN ELEVATING- APPARATUS.

TheSchedule referred to in these Letters Patent and making part of the samet To allavltom fit may concern:

Be it known that I, PLIMPToN Ross BERRY, of Youngstown, in the county of Mahoning and State of Ohio, have invented a new and improvefhEle-y vating Apparatus; and I do hereby declare that the following is a full,

clear, and exact description thereof, which will enable others skilled in the art toV make and use the same, reference being had to the accompanying drawing forming part of this specification.

This invention relates to improvements in apparatus for elevating'brick, mortar, and other building material, in the erection of buildings, and consists ina platform, sectional vertical guides, and a safety-holding apparatus for holding the platform, arranged for hoistingr the material either by manual labor or by horse or steam-power, in a rapid and economical-manner, as hereinafter more fully specified.

Figure 1 is a side elevation of my improved appatus, partly sectioned, and' 'l Figure 2 is another side elevation, perpendicular to that of tig. 1.

Similar letters of reference indicate corresponding parts.

A represents vertical guides, to be made in sections about the length of the height of the stories of the buildings to be erected. They are supported on suitable sills, B, and have rebates, 0, or other suitable guides, for the platform D, to be confined between them while moved up anddown thereon.

The platform is connected to a hoisting-rope, E, passing up over the small pulleys, F, on the top crosshar, or over a large one, G, and down undera guidepullcy, ll, at the bottom,- thence to the drum of the steam-engine, or other hoisting apparatus, as may be used. i

lo securely hold the platform when raised up to the place of delivery, I have provided the holding-bars I, mounted on the oseillatingshaft L by arms K, and arranged to swing under the platform as soon as raised above them.

Each shaft is connected toa hand-lever, M, by rods, l. llhe lever M is pivoted to a cross-bar, N by O,

and one rod, I; 1s connected above the pivot, and other below, so that both bars I will be moved tow. the platform by one movement of the hand-lever, z away by the other.

The said lever is provided with a spring,vQ, wh is'arranged to hold the bars I constantly in the p: of the platform, which strikes i gainst them wl rising, and swings them out of the way. Immediat l after passing, the spring will draw them back, so tl the platform maybe let down and supported on th las soon as it has passed above them.

For releasing the platform to let it go down aga the attendant moves the-lever in thedirection to mc the arms I out from under the platform.

The platform may have friction-wheels or rollers, at the corners, to lbear against the vertical guides to lessen the friction.

As'each story is completed another section of guidi A, isadded, and the cross-bar, with the wheel For is placed on the top. The holding apparatus is al placed on the upper section. n

These platforms are used mainly to elevate tl building'material placed en them vin wheel-barro which are rolled oit the top and empty ones put on be reloaded. i

Having thus described my invention,

I claim as new and desire to secure by Lette Patent- 1. The combination, withthe vertical guides A, ma( in sections as described, of the p latform D, wheels F1 G, hoisting-rope E, and guide-wheel H, when tl wheels F or G are arranged on cross-bars or beam arranged for attachment tothe top of any section l the vert-ical guides, substantially as specified.

2. rlhe combination, with the vertical guides an the platform, of the holding-bars I, oscillating su] ports L K, lever M, connecting-rods P, and spring t substantially as specitied.`.

' PLIMPTON ROSS BERRY.

Witnesses:

CHARLES L. STEWART, LovEREY A. RICHARD. 

